Download Algebra_Intro

Name: _______________
Date: _____________
SOME THINGS YOU SHOULD KNOW!!
Negative is the WHITE side. Positive is the COLORED side.
What does zero look like?
=0
or
=0
Collecting Like Terms
Use the tiles to fill in the column for the written expression and then simplfy the
expression.
Tiles
Written Expression
Simplified
+
3x + 3 + 2x -1
5x + 2
+
+
+
Practice:
Simplify the following:
a) 3x + 5 – 5x + 3
d) m + 5m – 3m + 8m – m
b) 5x – 6 + 4x – 3
e) 3x2 – 4y2 + 6x – 5y
c) 3x2 – 6x + x2 + x
f) 3x2 – 4y2 – 3x2 + 4y2
Name: _______________
Date: _____________
Multiplying or Expanding
Using the tiles, demonstrate this simple multiplication statement: 3 x 2.
You multiply the same way when multiplying any two terms.
Model each multiplication using the tiles and then write your answer.
Problem
Diagram with tiles
Answer
(2)(x)
(2)(-x)
(-2)(-x)
(x)(x)
(2x)(x)
(2x)(-x)
(2x)(3x)
Practice:
a) (3)(x2)
d) (2x)(3x)(-4x)
b) (x2)(x)
e) (4x3)(3x)
c) (3x2)(-2x)
f) (4x3)(3x2)